Improvement in wrenches



- WILLIAM JOHNSON, OF MILWAUKEE, WISCONSIN.

lMPROVEMENT IN WRENCHES.

Specification forming part of Letters Patent N0. 141,794, datec1 August12, 1873; application filed November 16, 1872.

10 all whom it muy concem:

Be it known that I, WILLIAM JOHNSON, of Milwaukee, in the county 0fMilwaukee, in the Stute of Wisconsin, hzwe invented eertaiu Improvementsin Vrenches, 0f which the following is a specification:

My invention relates t0 a wreneh to secure bung-bushings inbeer-barrels, and consists in ehe arrangemenu of an eccentrio that worksout against the inside of the bushing and. holds tight, and, as thewrench is turned, screws the bushing into p1ace.

Figure 1 is a perspective view of my invention; ancl Fig. 2, a sectionalview.

A is the part which asses inside 0f the bush. B, an eceentric 011 oneside 0f the part A, secured in place by the pin O. This eccentric beingturned by the frietional contact with the side of the bush, enlargesthat parb 0f the wrench whieh passes into the bush, and thus pressingagainst the side 0f it as the wrench is turned around. and screws thebush int0 the barrel. D is the handle of the wrench, and E the bushing.This bushing is illustrated on1y 130 show 110W the wrench works, and ismade, when finished, With a screw 011 the outside 0f it, so tha't it maybe screwed into the side of a b2urel 01' cask.

I elaim as my invention the followin g combination, the other art-sbeing 01d.

The eombination of the tapering-plug A, eccentric B, and its shaft O,substantially as described.

WILLIAM JOHNSON.

Witnesses:

J. B. SMITH, E. J. SMITH.

